Home / 243,695.55-365,683.05-131,375.28

Finding the Fourth Proportional to 243,695.55, 365,683.05 and 131,375.28

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Solution

The fourth proportional to 243,695.55, 365,683.05 and 131,375.28 is: 197,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,695.55 : 365,683.05 = 131,375.28 : x
  2. Step 2: Convert to fraction form
    243,695.55/365,683.05 = 131,375.28/x
  3. Step 3: Cross multiply
    243,695.55x = 365,683.05 × 131,375.28
  4. Step 4: Simplify right side
    243,695.55x = 48,041,713,085.00
  5. Step 5: Solve for x
    x = 48,041,713,085.00/243,695.55
  6. Step 6: Final answer
    x = 197,138.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.